File: host-context-specificity-002.html

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<!doctype html>
<meta charset="utf-8">
<title>CSS Test: :host-context() is accounted for during specificity computation</title>
<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector">
<link rel="match" href="reference/green-box.html">
<p>Test passes if you see a single 100px by 100px green box below.</p>
<div id="host"></div>
<script>
  host.attachShadow({ mode: 'open' }).innerHTML = `
    <style>
      .foo span {
        display: block;
        width: 100px;
        height: 100px;
        background: red;
      }
      :host-context(*) span {
        background: green;
      }
    </style>
    <div class="foo"><span></span></div>
  `;
</script>